how many cervical vertebrae are there
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- The cervical spine is made up of seven cervical vertebrae. The main function of the cervical spine is to support the weight of the head which is approximately 10-12 pounds. The cervical spine has the greatest range of motion, in part because of two specialized vertebra that move with the skull.
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Neck Pain Your neck is part of a long flexible column, known as the spinal column or backbone, which extends through most of your body. The cervical spine (neck region) consists of seven bones (C1-C7 vertebrae), which are separated from one another by intervertebral discs.
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- Cervical Spine Anatomy Video. The cervical region of the spine (neck) consists of seven vertebrae. Learn how the spinal discs function and how various conditions can cause neck pain and/or radiating pain.
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- Home > Skeletal System > Spine > Cervical Vertebrae. The cervical vertebrae of the spine consist of seven bony rings that reside in the neck between the base of the skull and the thoracic vertebrae in the trunk. Among the vertebrae of the spinal column, the cervical vertebrae are the thinnest and most delicate bones. Yet, in spite of their size, the cervical vertebrae have the huge jobs of supporting the head, protecting the spinal cord, and providing mobility to the head and neck.
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Anatomy of the Spine Anatomy of the Spine. The normal anatomy of the spine is usually described by dividing up the spine into three major sections: the cervical, the thoracic, and the lumbar spine. (Below the lumbar spine is a bone called the sacrum, which is part of the pelvis). Each section is made up of individual bones, called vertebrae. There are 7 cervical vertebrae, 12 thoracic vertebrae, and 5 lumbar vertebrae. An individual vertebra is made up of several parts.
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- Answer:  There are between 31-33 bones that make up the spine called the  vertebral column. The difference is in the coccygeal bones, which  some times are counted as two, … three, or four separate bones.    Answer:  There are 33 vertebrae in the human spinal  column.  The human backbone is also called the spine, and it consists of a  vertebral column that has many bones.   There are seven cervical, twelve thoracic, five lumbar, five fused  sacral, and four fused coccygeal bones in an adult.  So that makes a total of 33 bones.  Answer:  There are 33 vertebrae in the human spinal  column.   The human backbone is also called the spine, and it consists of a  vertebral column that has many bones.
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How many vertebrae are in a human spine? Your spinal cord is protected by the vertebral column (also known as the spinal column or backbone). The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.our spinal cord is protected by the vertebral column (also known as the spinal column or backbone). The human spinal column is made up of 33 bones - 7 vertebrae in the cervical region, 12 in the thoracic region, 5 in the lumbar region, 5 in the sacral region and 4 in the coccygeal region.
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Vertebral column The human vertebral column consists of 33 vertebrae. These are divided into different regions, which correspond to the curves of the spinal column. These regions are called the cervical spine, thoracic spine, lumbar spine, sacrum and coccyx. There are a total of 33 vertebrae in the vertebral column. The articulating vertebrae are named according to their region of the spine. There are seven cervical vertebrae, twelve thoracic vertebrae and five lumbar vertebrae.
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Normal Spinal Anatomy Vertebrae Define Sections of the Spine. 1  Cervical spine (neck) - comprised of 7 cervical vertebrae (termed C1 to C7), starting with C1 at the top of the spine and ending with C7 at the bottom of the cervical portion of the spine.
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- We're sorry, an error occurred. The thoracic spinal vertebrae consist of 12 total vertebrae and are located between the cervical vertebrae (which begin at the base of the skull) and the lumbar spinal vertebrae. The second thoracic vertebra, or T2, is located directly below the first thoracic vertebra (T1).
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- In total, there are 33 vertebrae in the spinal column: 1  Cervical region (neck) — 7 vertebrae, abbreviated C1 through C7. 2  Thoracic region (middle back) — 12 vertebrae, abbreviated T1 through T12. 3  Lumbar region (low back) — 5 or 6 vertebrae, abbreviated L1 through L5 or L6. 4  Sacral region (pelvis) — 5 fused vertebrae, abbreviated S1 through S5.
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Why number of vertebrae is fixed in mammals ? Best Answer: First off, it's only the number of _cervical_ (neck) vertebrae of mammals that is fixed at 7, not all the other vertebral types. There are exceptions, such as the tree sloths with 6 or 9 vertebrae, and a manatee species with 6, but the number 7 is consistent in most species of mammals, from giraffes (although there was an interesting question about it here) to dwarf shrews.
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Vertebral column These regions are called the cervical spine, thoracic spine, lumbar spine, sacrum and coccyx. There are seven cervical vertebrae, twelve thoracic vertebrae and five lumbar vertebrae. The number of vertebrae in a region can vary but overall the number remains the same.
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How many vertebrae make up the human spine? There are normally thirty-three (33) vertebrae in humans, including the five that are fused to form the sacrum (the others are separated by intervertebral discs) and the four coccygeal bones which form the tailbone.
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- (Below the lumbar spine is a bone called the sacrum, which is part of the pelvis). Each section is made up of individual bones, called vertebrae. There are 7 cervical vertebrae, 12 thoracic vertebrae, and 5 lumbar vertebrae.
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- Cervical-neck region w/ 7 bones. Thoracic- chest region w/ 12 bones. Lumbar- lower back region w/ 5 ones. Sacral- pelvic region made of 1 bone.
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- C1-C7 (cervical vertebrae): C1 through C7 are the symbols for the cervical (neck) vertebrae, the upper 7 vertebrae in the spinal column (the vertebral column).C1 is called the atlas. It supports the head and is named for the Greek god Atlas who was condemned to support the earth and its heavens on his shoulders.1-C7 (cervical vertebrae): C1 through C7 are the symbols for the cervical (neck) vertebrae, the upper 7 vertebrae in the spinal column (the vertebral column). C1 is called the atlas.
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Thoracic Vertebrae There are 12 thoracic vertebrae (denoted as T1-T12) found in adult humans, and they are situated in between the cervical and lumbar vertebrae, with a general sizing larger than the cervical but smaller than the lumbar vertebrae. For each of the 12 thoracic vertebrae, there is a corresponding pair of ribs attached to them.
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Thoracic vertebrae In other animals the number of thoracic vertebrae can vary greatly; for example, most marsupials have 13, but koalas have only 11. 12 to 15 is common among mammals, with 18 to 20 in horses, tapirs, rhinoceroses, and elephants, and extremes in mammals are marked by certain sloths with 25 and cetaceans with 9.y convention, the human thoracic vertebrae are numbered T1-T12, with the first one (T1) located closest to the skull and the others going down the spine towards the lumbar region.
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- The bones of the spine are called vertebrae. There are 7 cervical, 18 thoracic, and 6 lumbar vertebrae. The sacrum is comprised of 5 vertebrae but they are fused at the age of 3 years old in the horse and essentially functions as one unit. Pelvis sits on the sacrum.
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- Fig. 1: Sagittal view of the cervical spine. (larger view). The cervical spine is comprised of seven vertebrae-C1, C2, C3, C4, C5, C6, C7 (often noted as C1-C7) - that begin at the base of the skull and extend down to the thoracic spine. Unlike the first two cervical vertebrae, the remaining five cervical vertebrae, C3 through C7, are constructed more similarly to the rest of the spine, with three joints making up each vertebral segment (a disc in the front and two facets joints in the back).
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A Sure Word If common descent doesn't even require members of the same species to have the same number of neck bones then the constant appearance of 7 cervical vertebrae among mammals is as easily explained by coincidence as evolution.
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Vertebrae in the Vertebral Column The cervical spine has seven vertebral bodies (segments). The top two segments are unique: 1  The first cervical segment (called the atlas) is a ring that does not have a vertebral body. 2  It is attached to the second vertebral body (the axis), which acts as a post that the first vertebral ring rotates around.3  Most of the rotation in the neck is located in these top two segments.he cervical spine has seven vertebral bodies (segments). The top two segments are unique: 1  The first cervical segment (called the atlas) is a ring that does not have a vertebral body. 2  It is attached to the second vertebral body (the axis), which acts as a post that the first vertebral ring rotates around.
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Anatomy of the Cervical Spine Anatomy of the Cervical Spine. Home/Anatomy/Anatomy of the Cervical Spine. The neck or cervical spine is the top part of the spine between the head and shoulders. The cervical spine has seven vertebra of which the bottom five are designed similarly and the top 2 are very different.
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- The cervical spine is the most superior portion of the vertebral column, lying between the cranium and the thoracic vertebrae. It consists of seven distinct vertebrae, two of which are given unique names: 1  The first cervical vertebrae (C1) is known as the a tlas.